package io;

public class TryCatchDemo {
    public static void main(String[] args) {
        //String line = null;
        try {
            // String line = "";
            String line = "123";
            System.out.println(line.length());
            System.out.println(line.charAt(0));
            System.out.println(Integer.parseInt(line));
            System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!");
        } catch (NullPointerException | StringIndexOutOfBoundsException e) {
            System.out.println("出现了空指针或下标越界并解决了");
        } catch (Exception e) {
            System.out.println("反正就是出了个错！");
        }
        System.out.println("程序结束了");
    }
}
